The calculated distance (air line) between Rio Grande da Serra and Embu Guaçu is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to Embu Guaçu is certainly longer, as only the direct route (as the crow flies) between Rio Grande da Serra and Embu Guaçu has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles